KW

Keiji Watanabe

CC Citizen Electronics Co.: 1 patents #15 of 29Top 55%
Overall (2004): #175,946 of 270,089Top 70%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6744896 Electret microphone Haruhisa Tanabe, Koji Takayama 2004-06-01